Engaged in technology development in the field of space science and technology, mechanical technology, technical advice, technical services, air international freight agent, public relations activities planning, mechanical and electrical equipment and accessories, machinery and equipment and accessories, instrumentation, chemical raw materials and products (except hazardous chemicals, MCC, fireworks, civil explosives, precursor chemicals), communications equipment and related products, computer, software and auxiliary equipment, laboratory equipment sales, is engaged in the import and export of goods and technology import and export business